/*
 * Copyright (C) 2022 Leah Rowe <info@minifree.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#include "include/lib/file.h"
#include "include/lib/checksum.h"
#include "include/lib/version.h"

void printUsage()
{
	printGbeDumpAdvice();
	printf("\n");
	printf("Usage: nvmcheck gbe.bin\n");
	printf("Example: ./nvmcheck gbe.bin\n");
}

int main(int argc, char *argv[])
{
	int i, success = 0;
	uint8_t* buffer = (uint8_t*) malloc(SIZE_8KB);
	if(buffer==NULL) {
		printf("E: could not allocate enough memory.\n");
		return 1;
	}

	printVersion();
	if (argc != 2) goto fail;
	if (!loadGbeFile(&buffer, argv[1])) goto fail;

	for (i = 0; i < 2; i++) {
		if (validChecksumInPart(&buffer, i)) {
			success = 1;
			printf("\nValid checksum in part %d.\n\n", i);
		} else
			printf("\nInvalid checksum in part %d.\n\n", i);

		printf("Hex dump of NVM part %d:\n\n", i);
		nvmDump(&buffer, (uint8_t)i);
	}

	free(buffer);
	if(success) {
		printf("\nThis file is valid.\n");
	} else {
		printf("\nThis file must be repaired before use.\n");
	}
	return success^1;
fail:
	free(buffer);
	printUsage();
	return 1;
}
